document some symbols and add global/types headers

include/global.h

@@ -0,0 +1,29 @@
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+#define GET_FLAG(arr, pos) (((1 << ((pos) & 0x1f)) & (arr)[((u32)(pos)) >> 5]) != 0)
+#define SET_FLAG(arr, pos) ((arr)[((u32)(pos)) >> 5] |= 1 << ((pos) & 0x1f))
+#define RESET_FLAG(arr, pos) ((arr)[((u32)(pos)) >> 5] &= ~(1 << ((pos) & 0x1f)))
+
+#define ARRAY_LEN_U(arr) (u32)((sizeof(arr) / sizeof(*arr)))
+#define ARRAY_LEN(arr) (s32)((sizeof(arr) / sizeof(*arr)))
+
+// Prevent the IDE from reporting errors that the compiler/linker won't report
+#ifdef __INTELLISENSE__
+#endif
+
+#define ARM _Pragma("thumb off")
+#define THUMB _Pragma("thumb on")
+
+// `override` was added in C++11 before the DS, so we only use the keyword to indicate overriden functions
+#define override
+
+// Define .sbss variables by using #pragma section sbss begin|end
+#pragma define_section sbss ".data" \
+                            ".sbss"
+
+// Force variables to be in .data by using #pragma section force_data begin|end
+#pragma define_section force_data ".data" \
+                                  ".data"
+
+#endif

include/types.h

@@ -0,0 +1,26 @@
+#ifndef TYPES_H
+#define TYPES_H
+
+#include <stddef.h>
+
+typedef unsigned long long u64;
+typedef unsigned int u32;
+typedef unsigned short u16;
+typedef unsigned char u8;
+
+typedef long long s64;
+typedef int s32;
+typedef short s16;
+typedef char s8;
+
+typedef s8 unk8;
+typedef s16 unk16;
+typedef s32 unk32;
+
+#ifndef __cplusplus
+typedef s32 bool;
+#endif
+
+#define CEIL_DIV(a, b) (((a) + (b) - 1) / (b))
+
+#endif